In 1554 the renowned naturalist Guillaume Rondelet described mysterious New World "whales" with some intriguing qualities. They were mammals, could be trained like a dog, and had not one, but two full sets of genitals. Which animals were these?
The Frankfurt Book Fair, held annually in October, always makes for press headlines - especially in 2016, with the Netherlands and Flanders as guests of honour. But did you know that over five hundred years of history have shaped this book industry event?